Morning Overview on MSN
NASA’s plutonium-238 supply crunch could limit future deep-space missions
A rare radioactive isotope stands between NASA and its next generation of deep-space exploration. Plutonium-238, the fuel ...
Space missions depend on power systems that can function far away from sunlight and without maintenance. Solar panels ...
Real Engineering on MSN
NASA’s plutonium supply is shrinking - and future missions could feel it
NASA’s most ambitious deep-space missions rely on plutonium to generate power where solar energy stops being practical. But ...
Spacecraft have used a plutonium isotope to stay afloat for decades, but another isotope could last even longer.
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